Fixed movable bridges have a major retainer at one end of the pontic.
Pontic design for a metal ceramic bridge should.
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A pontic exerting too much pressure against the ridge may cause.
Provide for a rigid restoration.
For resin bonded bridges the pontic should have light contact in intercuspal.
Allow for complete coverage of the metal by the porcelain.
All of the above.
Evidence to support or refute the effectiveness of ceramic materials for fixed prosthodontic treatment over metal ceramic.
2 and 4 d.
Pontic design for a metal ceramic bridge should.
A metal ceramic pontic must fulfill certain requirements.
The components of a bridge are retainers pontics and connectors.
Place the porcelain metal joint away from the soft tissues.
Asked mar 24 2017 in released q17 by dr kaur 82 990 points ndeb released question.
Each part of the bridge should be designed individually but within the context of the overall design.
Place the porcelain metal joint away from the soft tissues.
Allow for complete coverage of the metal by the porcelain.
Provide for a rigid restoration.
Provide for a rigid restoration.
Pontic design for a metal ceramic bridge should 1.
Sensibility testing assessment of patient aims motivation abutment tooth selection and bridge design.
Appropriate collimation of the x ray beam for the film size reduces 1.
Place the porcelain metal joint away from the soft tissues.
Control thermal conductivity 4 only all of the above 1 2 3 1 and 3 2 and 4.
Pontic design for a metal ceramic bridge should 1.
It must be easily cleaned.
Minimum thickness of connector for the posterior bridge should be 2 5 mm occluso gingivally and 2 5 mm bucco lingually.
Therefore pontic design especially when replacing an existing bridge needs to specifically be addressed just as you would the length and shape of the abutment teeth.
Pontic design for a porcelain fused to metal bridge should 1.
I will readily admit that for many many years of practice i never gave instructions.
However wherever possible the maximum thickness of metal should be used commensurate with the maintenance of gingival health.
Retainers major or minor fixed fixed cantilever and spring cantilever bridges have only major retainer s.
However while a traditional bridge uses dental crowns on the abutment teeth a maryland bridge uses a framework of either metal or porcelain that is bonded onto the backs of the abutment teeth.
1 2 3 b.